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6. Solution to Chemistry Problem
Uploaded:
04.10.2024
Content: 17x.docx 52,78 kB
Content: 17x.docx 52,78 kB
Product description
17. A 0.8606 g sample of technical sodium salicylate was dissolved in a 50.00 ml volumetric flask and the solution was made up to the mark with glacial acetic acid. Potentiometric titration of 5.00 ml of the resulting 0.1 M HClO4 solution in glacial acetic acid (K = 1.030) yielded the following results:
V(HClO4), ml 4.00 4.20 4.40 4.60 4.80 5.00 5.20 5.40
E, mV 440 447 458 474 512 595 615 625
Plot titration curves and calculate the mass fraction (%) of indifferent impurities in the preparation.
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